BirdAnalyst
BBS Route · New York · BCR 28

Corbettsvile Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 129 species recorded across 48 survey years, still active.

129Species RecordedSpecies recordedDistinct species detected on standard-protocol BBS runs here across all years on record — a measure of survey breadth, not a complete checklist.Full methodology →
48Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1966–2024Span
5Observers

Bird Species Found on New York Corbettsvile

Top 40 of 129 species by most recent count. Each links to its species trend.

Species recorded on the Corbettsvile route.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →Baseline yearThe first year of the smoothed window the trend is measured from. An earlier baseline means a longer record stands behind the number.Full methodology →History
American RobinTurdidae842024-7%1968
Red-winged BlackbirdIcteridae522024-79%1968
Mourning DoveColumbidae47202430×1970
Red-eyed VireoVireonidae462024+222%1968
European StarlingSturnidae402024-93%1968
Common GrackleIcteridae352024-61%1968
Song SparrowPasserellidae312024-23%1968
American CrowCorvidae282024+73%1968
Common YellowthroatParulidae282024+1%1968
American GoldfinchFringillidae262024-2%1968
OvenbirdParulidae262024+284%1968
Yellow WarblerParulidae242024+6%1968
Northern CardinalCardinalidae222024+487%1968
American RedstartParulidae202024+76%1969
Chipping SparrowPasserellidae192024-13%1968
Cedar WaxwingBombycillidae192024-8%1968
Eastern PhoebeTyrannidae182024+25%1968
BobolinkIcteridae182024-9%1969
Gray CatbirdMimidae182024+78%1968
VeeryTurdidae182024-7%1968
Blue JayCorvidae172024+38%1968
Tufted TitmouseParidae16202412×1989
Chestnut-sided WarblerParulidae152024+418%1968
Northern House WrenTroglodytidae152024+114%1968
Black-capped ChickadeeParidae142024+82%1968
House SparrowPasseridae102024-81%1968
Tree SwallowHirundinidae92024+0%1969
Warbling VireoVireonidae92024+155%1968
Red-bellied WoodpeckerPicidae92024+183%2013
Indigo BuntingCardinalidae82024-40%1968
Scarlet TanagerCardinalidae82024-11%1969
Yellow-bellied SapsuckerPicidae82024+250%1980
Rock PigeonColumbidae72024+0%1968
Brown-headed CowbirdIcteridae62024-55%1968
Baltimore OrioleIcteridae62024-4%1968
Bank SwallowHirundinidae61993-55%1971
Blue-headed VireoVireonidae52024+120%1973
Blackburnian WarblerParulidae52024+100%1974
Turkey VultureCathartidae52024+75%1973
Chimney SwiftApodidae42024+22%1968

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.